Mobile rack for 3x HDD/SSD for 1x 5.25" bay IB-5251 Features: Wolf in sheep's clothing? ... Or vice versa? In any case this chic 2.5" to 3.5" HDD Converter looks like a 3.5" HDD with a fast 2,5" SSD inside. The converter can then be installed easily in a 3.5" bay. All heights compatibile Other than (for example) the internal 2.5" housing of your pc, this mobile rack can hold two 2.5" HDDs/SSDs with a height of 7 - 9.5 mm and one standard 3.5" HDD. No tools required The HDD/SSD can be installed or replaced quickly without tools. It needs no screws or screw driver to remove the disk, since the disk is straplessly accommodated in the enclosure.